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Explore four crucial but uncommon VHF propagation modes: tropospheric ducting, sporadic E, meteor burst, and Earth-Moon-Earth (EME). Understanding these modes is essential for optimizing VHF applications, as they extend beyond the conventional line-of-sight concept, impacting various communication scenarios.
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Recent technological advancements have helped to bring about a renewed interest or "rebirth" in the use of high-frequency, or HF, propagation. Explore the unique properties of HF that enable global communications.
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The "lost art" of HF is not only still relevant, but has been making a comeback in recent years, particularly in the area of both local and global communications. Discover how and why in this on-demand webinar.
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Take an in-depth look at the superior suitability of NVIS for military, disaster relief, and ad hoc scenarios. Explore its principles, strengths, and weaknesses, with a focus on distinctions from low-angle HF skywave antennas and diverse NVIS implementation methods using antennas.
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This discussion challenges the common belief of VHF propagation being solely "line of sight," exploring various propagation modes such as refraction, reflection, diffraction, scattering, EME, and more with practical examples and a live Q&A.
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Enhance your understanding of near vertical incidence skywave (NVIS) with a brief overview of HF and common HF propagation modes, the technical principles of NVIS, different types of antennas for NVIS operation, and the operational aspects of NVIS.
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Explore an expansive learning center featuring videos, tutorials, white papers, brochures, application notes, quick links, and articles focused on high-frequency test and measurement solutions.
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